Description of problem:

oc get pods
NAME READY STATUS RESTARTS AGE
cluster-logging-operator-758d6c95f6-sljc7 1/1 Running 0 4h39m
collector-24lpm 1/2 Error 2 (24s ago) 29s
collector-676wd 1/2 CrashLoopBackOff 2 (17s ago) 34s

$oc logs collector-24lpm
Defaulted container "collector" out of: collector, logfilesmetricexporter
2023-06-05T08:20:52.845682Z ERROR vector::cli: Configuration error. error=Transform "kafka_app_dedot" has no inputs

How reproducible:

Always

Steps to Reproduce:

1. define a kafka output, but don't use it in Pipelines.

apiVersion: logging.openshift.io/v1
kind: ClusterLogForwarder
metadata:
  name: instance
  namespace: openshift-logging
spec:
  outputs:
  - name: kafka-app
    secret:
      name: kafka-fluentd
    type: kafka
    url: tls://kafka.openshift-logging.svc.cluster.local:9093/clo-topic
  pipelines:
  - inputRefs:
    - audit
    - infrastructure
    - application
    name: test-app
    outputRefs:
    - default

Actual results:

oc logs collector-24lpm
Defaulted container "collector" out of: collector, logfilesmetricexporter
2023-06-05T08:20:52.845682Z ERROR vector::cli: Configuration error. error=Transform "kafka_app_dedot" has no inputs

Expected results:

The unused output or input are ignore when generate vector.toml

Additional info: